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Finding the Fourth Proportional to 92,545.49, 138,875.34 and 36,375.74

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Solution

The fourth proportional to 92,545.49, 138,875.34 and 36,375.74 is: 54,586.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,545.49 : 138,875.34 = 36,375.74 : x
  2. Step 2: Convert to fraction form
    92,545.49/138,875.34 = 36,375.74/x
  3. Step 3: Cross multiply
    92,545.49x = 138,875.34 × 36,375.74
  4. Step 4: Simplify right side
    92,545.49x = 5,051,692,565.87
  5. Step 5: Solve for x
    x = 5,051,692,565.87/92,545.49
  6. Step 6: Final answer
    x = 54,586.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.